Quad 2-input Data Selector/multiplexer With 3-state Outputs High-speed Silicon-gate Cmos

The KK74ACT257 is identical in pinout to the LS/ALS257, HC/HCT257. The KK74ACT257 may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs. This device selects a (4-bit) nibble from either the A or B inputs as determined by the Select input. The nibble is presented at the outputs in noninverted from when the Output Enable pin is at a low level. A high level on the Output Enable pin switches the outputs into the high- impedance state. TTL/NMOS Compatible Input Levels Outputs Directly Interface to CMOS, NMOS, and TTL Operating Voltage Range: 4.5 to 5.5 V Low Input Current: 1.0 A; 0.1 A @ 25C Outputs Source/Sink 24 mA By Kodenshi Korea Corp.
KK74ACT257 's PackagesKK74ACT257 's pdf datasheet

KK74ACT257 Pinout, Pinouts
KK74ACT257 pinout,Pin out
This is one package pinout of KK74ACT257,If you need more pinouts please download KK74ACT257's pdf datasheet.

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